IEEE8021-MSTP-MIB :: ieee8021MstpCistPortCistRegionalRootId

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsIEEE8021-MSTP-MIBieee8021MstpCistPortCistRegionalRootId

ieee8021MstpCistPortCistRegionalRootId

Module: IEEE8021-MSTP-MIB

OID (symbolic): IEEE8021-MSTP-MIB::ieee8021MstpCistPortCistRegionalRootId

OID (numeric): 1.3.111.2.802.1.1.6.1.3.1.16

Node type: OBJECT-TYPE

Type: BridgeId

Access: read-only

Description: In an MSTP Bridge, the CIST Regional Root Identifier, i.e., the Bridge Identifier of the current CIST Regional Root, for the CIST.

What is ieee8021MstpCistPortCistRegionalRootId?

The Bridge Identifier of the CIST Regional Root as seen from this specific port, letting you confirm consistent regional-root visibility across all of a bridge's ports.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.111.2.802.1.1.6.1.3.1.16
snmpwalk -v2c -c public <target> IEEE8021-MSTP-MIB::ieee8021MstpCistPortCistRegionalRootId

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.111.2.802.1.1.6.1.3.1.16.1
snmpget -v2c -c public <target> IEEE8021-MSTP-MIB::ieee8021MstpCistPortCistRegionalRootId.1

Start monitoring Vendor-neutral IEEE 802.1s standard (enterprise/campus Ethernet bridge or switch, MSTP) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the IEEE8021-MSTP-MIB::ieee8021MstpCistPortCistRegionalRootId OID value, configure state conditions and alerts, and monitor any Vendor-neutral IEEE 802.1s standard (enterprise/campus Ethernet bridge or switch, MSTP) from a single console.

OID Breakdown

Upper-level ancestors (3 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.111.2.802.1.1ieee802dot1mibsIEEE8021-TC-MIB
Numeric OIDNameModule
1.3.111.2.802.1.1.6ieee8021MstpMibIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1ieee8021MstpObjectsIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1.3ieee8021MstpCistPortTableIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1.3.1ieee8021MstpCistPortEntryIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1.3.1.16ieee8021MstpCistPortCistRegionalRootIdIEEE8021-MSTP-MIB